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ARM: make mach/gpio.h headers optional
Most platforms don't need mach/gpio.h and it prevents multi-platform kernel images. Add CONFIG_NEED_MACH_GPIO_H and make platforns select it if they need gpio.h. This is platforms that define __GPIOLIB_COMPLEX or have lots of implicit includes pulled in by mach/gpio.h. at91 and omap have gpio clean-up pending and can drop CONFIG_NEED_MACH_GPIO_H once that is in. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Jason Cooper <jason@lakedaemon.net> Acked-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Rob Herring
parent
ce91574c20
commit
01464226ac
@ -202,6 +202,13 @@ config ARM_PATCH_PHYS_VIRT
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this feature (eg, building a kernel for a single machine) and
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you need to shrink the kernel to the minimal size.
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config NEED_MACH_GPIO_H
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bool
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help
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Select this when mach/gpio.h is required to provide special
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definitions for this platform. The need for mach/gpio.h should
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be avoided when possible.
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config NEED_MACH_IO_H
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bool
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help
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@ -345,6 +352,7 @@ config ARCH_AT91
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select HAVE_CLK
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select CLKDEV_LOOKUP
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select IRQ_DOMAIN
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select NEED_MACH_GPIO_H
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select NEED_MACH_IO_H if PCCARD
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help
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This enables support for systems based on Atmel
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@ -523,6 +531,7 @@ config ARCH_IOP32X
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bool "IOP32x-based"
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depends on MMU
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select CPU_XSCALE
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select NEED_MACH_GPIO_H
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select NEED_MACH_IO_H
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select NEED_RET_TO_USER
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select PLAT_IOP
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@ -536,6 +545,7 @@ config ARCH_IOP33X
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bool "IOP33x-based"
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depends on MMU
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select CPU_XSCALE
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select NEED_MACH_GPIO_H
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select NEED_MACH_IO_H
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select NEED_RET_TO_USER
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select PLAT_IOP
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@ -645,6 +655,7 @@ config ARCH_MMP
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select PLAT_PXA
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select SPARSE_IRQ
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select GENERIC_ALLOCATOR
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select NEED_MACH_GPIO_H
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help
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Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
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@ -733,6 +744,7 @@ config ARCH_PXA
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select MULTI_IRQ_HANDLER
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select ARM_CPU_SUSPEND if PM
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select HAVE_IDE
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select NEED_MACH_GPIO_H
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help
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Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
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@ -795,6 +807,7 @@ config ARCH_SA1100
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select CLKDEV_LOOKUP
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select ARCH_REQUIRE_GPIOLIB
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select HAVE_IDE
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select NEED_MACH_GPIO_H
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select NEED_MACH_MEMORY_H
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select SPARSE_IRQ
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help
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@ -810,6 +823,7 @@ config ARCH_S3C24XX
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select HAVE_S3C2410_I2C if I2C
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select HAVE_S3C_RTC if RTC_CLASS
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select HAVE_S3C2410_WATCHDOG if WATCHDOG
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select NEED_MACH_GPIO_H
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select NEED_MACH_IO_H
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help
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Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
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@ -837,6 +851,7 @@ config ARCH_S3C64XX
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select SAMSUNG_GPIOLIB_4BIT
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select HAVE_S3C2410_I2C if I2C
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select HAVE_S3C2410_WATCHDOG if WATCHDOG
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select NEED_MACH_GPIO_H
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help
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Samsung S3C64XX series based systems
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@ -851,6 +866,7 @@ config ARCH_S5P64X0
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select GENERIC_CLOCKEVENTS
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select HAVE_S3C2410_I2C if I2C
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select HAVE_S3C_RTC if RTC_CLASS
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select NEED_MACH_GPIO_H
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help
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Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
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SMDK6450.
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@ -865,6 +881,7 @@ config ARCH_S5PC100
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select HAVE_S3C2410_I2C if I2C
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select HAVE_S3C_RTC if RTC_CLASS
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select HAVE_S3C2410_WATCHDOG if WATCHDOG
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select NEED_MACH_GPIO_H
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help
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Samsung S5PC100 series based systems
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@ -882,6 +899,7 @@ config ARCH_S5PV210
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select HAVE_S3C2410_I2C if I2C
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select HAVE_S3C_RTC if RTC_CLASS
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select HAVE_S3C2410_WATCHDOG if WATCHDOG
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select NEED_MACH_GPIO_H
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select NEED_MACH_MEMORY_H
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help
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Samsung S5PV210/S5PC110 series based systems
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@ -899,6 +917,7 @@ config ARCH_EXYNOS
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select HAVE_S3C_RTC if RTC_CLASS
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select HAVE_S3C2410_I2C if I2C
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select HAVE_S3C2410_WATCHDOG if WATCHDOG
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select NEED_MACH_GPIO_H
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select NEED_MACH_MEMORY_H
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help
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Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
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@ -971,6 +990,7 @@ config ARCH_DAVINCI
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select GENERIC_ALLOCATOR
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select GENERIC_IRQ_CHIP
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select ARCH_HAS_HOLES_MEMORYMODEL
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select NEED_MACH_GPIO_H
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help
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Support for TI's DaVinci platform.
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@ -983,6 +1003,7 @@ config ARCH_OMAP
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select CLKSRC_MMIO
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select GENERIC_CLOCKEVENTS
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select ARCH_HAS_HOLES_MEMORYMODEL
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select NEED_MACH_GPIO_H
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help
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Support for TI's OMAP platform (OMAP1/2/3/4).
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@ -6,7 +6,9 @@
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#endif
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/* not all ARM platforms necessarily support this API ... */
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#ifdef CONFIG_NEED_MACH_GPIO_H
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#include <mach/gpio.h>
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#endif
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#ifndef __ARM_GPIOLIB_COMPLEX
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/* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1,2 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1,4 +0,0 @@
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#ifndef __ASM_ARCH_GPIO_H
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#define __ASM_ARCH_GPIO_H
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#endif /* __ASM_ARCH_GPIO_H */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1,19 +0,0 @@
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/*
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* arch/arm/mach-spear13xx/include/mach/gpio.h
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*
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* GPIO macros for SPEAr13xx machine family
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*
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* Copyright (C) 2012 ST Microelectronics
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* Viresh Kumar <viresh.linux@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __MACH_GPIO_H
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#define __MACH_GPIO_H
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#include <plat/gpio.h>
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#endif /* __MACH_GPIO_H */
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@ -1,19 +0,0 @@
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/*
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* arch/arm/mach-spear3xx/include/mach/gpio.h
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*
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* GPIO macros for SPEAr3xx machine family
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*
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* Copyright (C) 2009 ST Microelectronics
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* Viresh Kumar<viresh.linux@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __MACH_GPIO_H
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#define __MACH_GPIO_H
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#include <plat/gpio.h>
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#endif /* __MACH_GPIO_H */
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@ -1,19 +0,0 @@
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/*
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* arch/arm/mach-spear6xx/include/mach/gpio.h
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*
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* GPIO macros for SPEAr6xx machine family
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*
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* Copyright (C) 2009 ST Microelectronics
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* Viresh Kumar <viresh.linux@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __MACH_GPIO_H
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#define __MACH_GPIO_H
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#include <plat/gpio.h>
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#endif /* __MACH_GPIO_H */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1,5 +0,0 @@
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#ifndef __ASM_ARCH_GPIO_H
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#define __ASM_ARCH_GPIO_H
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#endif /* __ASM_ARCH_GPIO_H */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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@ -1 +0,0 @@
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/* empty */
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